Assuming 30 trading days horizon, Emerging Media Holdings Inc. is expected to under-perform the Lafarge. In addition to that, Emerging is 2.94 times more volatile than Lafarge S.A.. It trades about -0.2 of its total potential returns per unit of risk. Lafarge S.A. is currently generating about -0.29 per unit of volatility. If you would invest 4,380 in Lafarge S.A. on April 26, 2012 and sell it today you would lose (720) from holding Lafarge S.A. or give up 16.44% of portfolio value over 30 days.
Diversification
Good diversification
Overlapping area represents amount of risk that can be diversified away by holding Emerging Media Holdings Inc. and Lafarge S.A. in the same portfolio (assuming nothing else is changed)
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